Boat-Specs.com

Sailboat specifications and datasheets

Delphia 31 deep draft

The Delphia 31, here in "deep draft" version, is a 31’1” monohull sailboat designed by Andrzej Skrzat. She was built by Delphia Yachts (Poland) and made of monolithic fiberglass / polyester. This sailboat was produced between 2012 and 2017.

The Delphia 31 is as well listed, on Boat-Specs.com, in version Centerboard (Trunk) and Keel and centerboard.

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Delphia 31's   Main Features
Model Delphia 31
Version Deep draft
Type of hull Monohull
Category Cruising sailboat
Shipyard
Designer Andrzej Skrzat
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich fiberglass / polyester
First built hull 2012
Last built hull 2017
Appendages Keel :
Fin with bulb
Helm 1 wheel
Rudder 1 spade rudder
Cockpit Open aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
71 500
(2016)
Delphia 31's   Main dimensions
Length overall 32’ 4”
Hull length 31’ 1”
Beam (width) 11’ 2”
Draft 5’ 5”
Mast height from DWL 45’ 6”
Light displacement 11244 lbs
Ballast weight 3638 lbs
Delphia 31's   Rig and sails
Upwind sail area 488 sq.ft
Downwind sail area 1216 sq.ft
Mainsail area 248 sq.ft
Solent area 241 sq.ft
Asymetric spinnaker area 969 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging Continuous
Number of levels of spreaders 1
Spreaders angle Swept-back
Delphia 31's   Performances
Upwind sail area to displacementiThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.
The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size. Upwind : under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 23 it indicates a fast sailboat.
15.31
Downwind sail area to displacementiThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.
The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size. Upwind : under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 23 it indicates a fast sailboat.
38.14
Ballast ratioiThe Ballast ratio is an indicator of the stability; it is obtained by dividing the boat's displacement by the weight of the ballast. Since the stability depends also of the hull shape and the position of the center of gravity, only boats with similar ballast arrangements and hull shape should be considered.
Higher the ballast ratio is, greater is the stability.
32 %
Delphia 31's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 18 HP / 30 HP
Fuel type Diesel
Fuel tank capacity 26.4 gal
Delphia 31's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 6 / 7
Head(s) 1
Fresh water tank capacity 39.6 gal
Holding tank capacity 12.4 gal

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